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Auxin Biosynthesis and Metabolism

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Plant Hormones

Abstract

Auxins function at the intersection between environmental and developmental cues and the response pathways that they trigger (Fig. 1). Auxin levels vary dramatically throughout the body and life of the plant, forming gradients that are a central component of its action (4, 5, 14, 20, 34). Accordingly, plants have evolved intricate regulatory networks with considerable redundancy and adaptive plasticity to maintain auxin levels in response to changing environmental and developmental conditions. We refer to this phenomenon as auxin homeostasis; specifically the biosynthesis, inactivation, transport, and inter-conversion pathways that regulate and maintain auxin levels.

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Authors and Affiliations

  1. Department of Biochemistry and Molecular Biology, University of Massachusetts, Amherst, MA, 01003, USA

    Jennifer Normanly

  2. U.S. Department of Agriculture, Beltsville Agricultural Research Center, Agricultural Research Service, Beltsville, MD, 20705-2350, USA

    Janet P. Slovin

  3. Department of Horticultural Science, University of Minnesota, Saint Paul, MN, 55108, USA

    Jerry D. Cohen

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  1. Jennifer Normanly
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  2. Janet P. Slovin
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  3. Jerry D. Cohen
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Correspondence to Jennifer Normanly .

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  1. Dept. Plant Biology, Cornell University, Ithaca, NY, 14853, USA

    Peter J. Davies

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Normanly, J., Slovin, J.P., Cohen, J.D. (2010). Auxin Biosynthesis and Metabolism. In: Davies, P.J. (eds) Plant Hormones. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-2686-7_3

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